Question

2 Fill in the blanks.
(a) Blood gets its red colour from the colouring pigment called
(b) Sweat is a form of waste excreted by the
(c) Aquatic animals excrete wastes in the form of​

Answer 1

Answer:

hamoglobin

Explanation:

homoglobin is present in blood so this reason blood is red

Answer 2

Answer:

(a) hemoglobin

(b)sweat glands

(c) ammonia

Explanation:

(a)Each of the red blood cells contains hemoglobin. Hemoglobin is an iron rich protein. When hemoglobin binds with oxygen, the interaction between them gives our blood its red color.

(b)Perspiration, or sweat, is a fluid consisting primarily of water, as well as various dissolved solid wastes, that is excreted by the sweat glands. The sweat glands remove a bit of excess water and salts, and also serve the function of cooling the body during thermoregulation.

(c)Almost all the aquatic animals excrete ammonia as the nitrogenous waste product.